At the Apple Worldwide Developer Conference earlier this month Apple introduced an app simply called “Health”that promises to become an all-embracing hub for healthcare and fitness applications and wearable devices. It will allow you to store all of your health data and vital signs in one place including your heart rate, blood pressure, blood sugar, sleep patterns, consumed and burnt calories and more. It will also give you control over all of your health apps through one interface.
The news inspired our team to integrate our health apps with the HealthKit API to help bring the world one step closer to integrated health data. We started with our Heartbeat Rate application that processes the video stream from your iPhone/ iPod camera to measure heart rate. It analyzes the bluecomponent in the video stream providing reliable results, thus no physical contact is required. (Read more about Heartbeat Rate application.)
Here is the recap of how our Heartbeat rate app was integrated with HealthKit API.

Inspired by recent publication on a video processing algorithm, which is able to detect and magnify subtle periodic changes in color in the series of video frames, DataArt has started experiments on adding heartbeat measurement possibility to their Microsoft Kinect-based healthcare solution.
The principle of detection is based on the fact that the human skin becomes more red when the blood pressure is at its maximum (systolic pressure), and less red when the pressure is at its minimum (diastolic pressure). For people not having arrhythmia, these changes are periodic, and therefore, its’ frequency can be caught and measured using spectrum analysis principles.